Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
~p <-> (p /\ (F || q || F) /\ p /\ (F || q || F))
⇒ logic.propositional.idempand~p <-> (p /\ (F || q || F))
⇒ logic.propositional.falsezeroor~p <-> (p /\ (q || F))
⇒ logic.propositional.falsezeroor~p <-> (p /\ q)